Which three film musicals won academy awards for best picture during the 1960s?
west side story
oklahoma!
my fair lady
south pacific
grease
sound of music

West Side Story
My Fair Lady
The Sound of Music 

Ifound this on google “simply, the working conditions were terrible during the industrial revolution. as factories were being built, businesses were in need of workers. with a long line of people willing to work, employers could set wages as low as they wanted because people were willing to do work as long as they got paid.” i hope this you for what your looking for.